<?php class ModelBase { protected function has($keychain) { return ModelBase::_has($GLOBALS['CONFIG'], $keychain); } protected static function staticHas($keychain) { return ModelBase::_has($GLOBALS['CONFIG'], $keychain); } private static function _has($array, $keychain) { if(!is_array($keychain)) $keychain = explode('.', $keychain); $key = $keychain[0]; if(!isset($array[$key])) return false; if(count($keychain) == 1) return true; return ModelBase::_has($array[$key], array_slice($keychain, 1)); } protected function get($keychain, $default = null) { return ModelBase::_get($GLOBALS['CONFIG'], $keychain, $default); } protected static function staticGet($keychain, $default = null) { return ModelBase::_get($GLOBALS['CONFIG'], $keychain, $default); } private static function _get($array, $keychain, $default) { if(!is_array($keychain)) $keychain = explode('.', $keychain); $key = $keychain[0]; if(!isset($array[$key])) return $default; if(count($keychain) == 1) return $array[$key]; return ModelBase::_get($array[$key], array_slice($keychain, 1), $default); } }